Home / 7,882.27-10,877.11-5,234.47

Finding the Fourth Proportional to 7,882.27, 10,877.11 and 5,234.47

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Solution

The fourth proportional to 7,882.27, 10,877.11 and 5,234.47 is: 7,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.27 : 10,877.11 = 5,234.47 : x
  2. Step 2: Convert to fraction form
    7,882.27/10,877.11 = 5,234.47/x
  3. Step 3: Cross multiply
    7,882.27x = 10,877.11 × 5,234.47
  4. Step 4: Simplify right side
    7,882.27x = 56,935,865.70
  5. Step 5: Solve for x
    x = 56,935,865.70/7,882.27
  6. Step 6: Final answer
    x = 7,223.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.